CVE-2025-39696
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-05

Last updated on: 2025-11-25

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: tas2781: Fix wrong reference of tasdevice_priv During the conversion to unify the calibration data management, the reference to tasdevice_priv was wrongly set to h->hda_priv instead of h->priv. This resulted in memory corruption and crashes eventually. Unfortunately it's a void pointer, hence the compiler couldn't know that it's wrong.
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Meta Information
Published
2025-09-05
Last Modified
2025-11-25
Generated
2026-06-16
AI Q&A
2025-09-05
EPSS Evaluated
2026-06-15
NVD
CVE-2025-39696
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
linux linux_kernel 6.17
linux linux_kernel 6.17
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
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Exploitability
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CWE ID Description
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Executive Summary

This vulnerability in the Linux kernel's ALSA hda tas2781 driver was caused by an incorrect reference to tasdevice_priv during calibration data management unification. The reference was wrongly set to h->hda_priv instead of h->priv, leading to memory corruption and eventual crashes. The issue was difficult to detect because tasdevice_priv is a void pointer, so the compiler could not identify the incorrect reference.

Impact Analysis

This vulnerability can cause memory corruption and crashes in the Linux kernel's ALSA hda tas2781 driver, potentially leading to system instability or denial of service.

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